| 摘要 |
PURPOSE:To change the image magnification of a finder optical system according to zooming and to hold the image magnification so that it is not changed at a focusing time as for a camera provided with a zoom lens driving the movement of a photographing lens by a motor without using a cam frame. CONSTITUTION:A finder driving mechanism moving a finder cam plate 37 by an input gear 34 meshed with the gear part 31a of a zoom lens unit 31 driven to be zoomed and focused by the motor 33 and interlocking gears 35 and 36 interlocked with the gear 34 is provided. Simultaneously, a driving force transmission switching means consisting of a brake lever 51 allowing the movement of the cam plate 37 while a zoom button 54 is depressed and a friction spring 38 which is provided between the gears 34 and 35 and slipped when the lever 51 is actuated as a brake is provided. |
